{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn04937_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Big Sandy, Montana | 1920 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"6"},{"label":"placed","value":"6"},{"label":"unplaced","value":"0"},{"label":"fit sources","value":"georef 5, snap:0 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371920:04937_1920-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Sandy, Montana | 1920 | sanborn04937_001 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T21:25:28Z","modified":"2026-09-22T21:25:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371920:04937_1920-0001/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371920:04937_1920-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 -0.0,7652.0 -0.0,0.0 162.0,-0.0 167.9,273.8 4397.0,143.0 4455.0,2255.8 6452.0,2164.9 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371920:04937_1920-0001/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-110.1121936566609,48.183345356717155]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-110.11229946109856,48.18016494570137]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-110.11791654621909,48.18024920878194]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-110.11781074178144,48.18342961979772]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371920:04937_1920-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Sandy, Montana | 1920 | sanborn04937_001 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-22T21:25:28Z","modified":"2026-09-22T21:25:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371920:04937_1920-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371920:04937_1920-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"36.3,597.5 -0.0,0.0 5367.3,-0.0 6293.9,637.3 6452.0,1019.6 6452.0,7652.0 6125.5,7652.0 36.3,597.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371920:04937_1920-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2160.0,2692.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-110.1139385,48.1822123]}},{"type":"Feature","properties":{"resourceCoords":[2160.0,7524.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-110.117502,48.1822069]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371920:04937_1920-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Sandy, Montana | 1920 | sanborn04937_001 p3","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-22T21:25:28Z","modified":"2026-09-22T21:25:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371920:04937_1920-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371920:04937_1920-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,0.0 6452.0,5200.2 5862.0,5209.3 5880.0,7368.0 1598.9,7401.6 1602.9,7652.0 -0.0,7652.0 -0.0,-0.0 6452.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371920:04937_1920-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2220.0,5200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-110.1126485,48.175345]}},{"type":"Feature","properties":{"resourceCoords":[5880.0,7368.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-110.1098979,48.175902]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371920:04937_1920-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Sandy, Montana | 1920 | sanborn04937_001 p4","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-22T21:25:28Z","modified":"2026-09-22T21:25:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371920:04937_1920-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371920:04937_1920-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1969.8 -0.0,-0.0 3912.9,0.0 4080.0,185.9 4340.8,184.8 4547.4,0.0 6452.0,0.0 6452.0,7652.0 5993.5,7652.0 5981.8,7066.6 306.5,7165.9 258.3,1967.4 -0.0,1969.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371920:04937_1920-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2056.0,7140.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-110.1099201,48.1773447]}},{"type":"Feature","properties":{"resourceCoords":[2056.0,180.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-110.1133535,48.1795006]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371920:04937_1920-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Sandy, Montana | 1920 | sanborn04937_001 p5 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2776.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4876.0"}],"created":"2026-09-22T21:25:28Z","modified":"2026-09-22T21:25:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371920:04937_1920-0005__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371920:04937_1920-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4812.0,7652.0 5948.0,7652.0 6452.0,7652.0 6439.2,3152.5 -0.0,3066.0 -0.0,7652.0 4812.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371920:04937_1920-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2720.0,7380.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-110.1083587,48.1740754]}},{"type":"Feature","properties":{"resourceCoords":[2720.0,3064.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-110.1105883,48.1754062]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371920:04937_1920-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Sandy, Montana | 1920 | sanborn04937_001 p5 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"2776.0"}],"created":"2026-09-22T21:25:28Z","modified":"2026-09-22T21:25:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371920:04937_1920-0005__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371920:04937_1920-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"278.9,2448.4 2552.8,2489.5 2544.2,2776.0 6452.0,2776.0 6452.0,335.3 284.0,324.0 278.9,2448.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd425m:g4254m:g4254bm:g4254bm_g049371920:04937_1920-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4856.0,324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-110.1088822,48.1781238]}},{"type":"Feature","properties":{"resourceCoords":[284.0,324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-110.1109799,48.1765578]}}]}}]}